 package com.example.myapplication2020315;

 import android.content.Intent;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;

 import androidx.appcompat.app.AppCompatActivity;

 public class uc2 extends AppCompatActivity {

     private Button backbutton1;
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_uc2);
         backbutton1=findViewById(R.id.backbutton1);
         backbutton1.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
                 Intent intent = new Intent(uc2.this,MainActivity.class);
                 startActivity(intent);
             }
         });
     }
}
